摘要 |
PCT No. PCT/EP95/02455 Sec. 371 Date Jan. 2, 1997 Sec. 102(e) Date Jan. 2, 1997 PCT Filed Jun. 23, 1995 PCT Pub. No. WO96/01189 PCT Pub. Date Jan. 18, 1996A tire tread (10) comprising at least some elements in relief, provided with at least one incision (1), each of the facing walls P of which has a surface in relief, formed of protrusions (2) and of cavities (3) arranged on opposite sides of a central wall surface M, each of such protrusions (2) and cavities (3) having, on said central surface (M), a quadrilateral base (bS, bC) and a vertex (S, O', A', B', C') spaced from said surface, the base bS of a protrusion (2) being completely surrounded by bases bC of cavities (3).
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